1166263103 has 2 divisors, whose sum is σ = 1166263104. Its totient is φ = 1166263102.

The previous prime is 1166263099. The next prime is 1166263117. The reversal of 1166263103 is 3013626611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1166263103 - 2² = 1166263099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166263193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583131551 + 583131552.

It is an arithmetic number, because the mean of its divisors is an integer number (583131552).

Almost surely, 2^1166263103 is an apocalyptic number.

1166263103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166263103 is an equidigital number, since it uses as much as digits as its factorization.

1166263103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1166263103 is about 34150.5944750600. The cubic root of 1166263103 is about 1052.6052021231.

Adding to 1166263103 its reverse (3013626611), we get a palindrome (4179889714).

The spelling of 1166263103 in words is "one billion, one hundred sixty-six million, two hundred sixty-three thousand, one hundred three".